An ink tank cartridge, a manufacturing method thereof and a packaging structure of the ink tank cartridge

(19)

(11)

EP 0 765 756 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	12.11.1997 Bulletin 1997/46

(43)	Date of publication A2:
	02.04.1997 Bulletin 1997/14

(21)	Application number: 96115549.6

(22)	Date of filing: 27.09.1996

(51)	International Patent Classification (IPC)⁶: B41J 2/175

(84)	Designated Contracting States:
	AT DE ES FR GB IT NL

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Priority:

29.09.1995 JP 254064/95
29.09.1995 JP 276347/95
29.09.1995 JP 276349/95
29.09.1995 JP 276350/95
29.09.1995 JP 276351/95

(71)	Applicant: CANON KABUSHIKI KAISHA
	Tokyo (JP)

(72)	Inventors:
	Ishinaga, Hiroyuki, c/o Canon K.K. Tokyo (JP) Masuda, Kazuaki, c/o Canon K.K. Tokyo (JP) Kaneko, Hajime, c/o Canon K.K. Tokyo (JP) Kamiyama, Yuji,. Sapporo-shi Hokkaido (JP)

(74)	Representative: Pellmann, Hans-Bernd, Dipl.-Ing.
	Patentanwaltsbüro Tiedtke-Bühling-Kinne & Partner Bavariaring 4 80336 München 80336 München (DE)

(54)	An ink tank cartridge, a manufacturing method thereof and a packaging structure of the ink tank cartridge

(57) An ink-jet ink cartridge having an ink containing portion for containing the ink to be supplied to an ink-jet head, and a lid for covering the ink containing portion, characterized in that a wall of the ink containing portion and one face of the lid are welded together owing to frictional heat by vibration.

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